data_CYS
# 
_chem_comp.id                                    CYS 
_chem_comp.name                                  CYSTEINE 
_chem_comp.type                                  "L-PEPTIDE LINKING" 
_chem_comp.pdbx_type                             ATOMP 
_chem_comp.formula                               "C3 H7 N O2 S" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     1999-07-08 
_chem_comp.pdbx_modified_date                    2023-11-03 
_chem_comp.pdbx_ambiguous_flag                   N 
_chem_comp.pdbx_release_status                   REL 
_chem_comp.pdbx_replaced_by                      ? 
_chem_comp.pdbx_replaces                         BTC 
_chem_comp.formula_weight                        121.158 
_chem_comp.one_letter_code                       C 
_chem_comp.three_letter_code                     CYS 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   N 
_chem_comp.pdbx_ideal_coordinates_details        ? 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        ? 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
# 
loop_
_chem_comp_atom.comp_id 
_chem_comp_atom.atom_id 
_chem_comp_atom.alt_atom_id 
_chem_comp_atom.type_symbol 
_chem_comp_atom.charge 
_chem_comp_atom.pdbx_align 
_chem_comp_atom.pdbx_aromatic_flag 
_chem_comp_atom.pdbx_leaving_atom_flag 
_chem_comp_atom.pdbx_stereo_config 
_chem_comp_atom.pdbx_backbone_atom_flag 
_chem_comp_atom.pdbx_n_terminal_atom_flag 
_chem_comp_atom.pdbx_c_terminal_atom_flag 
_chem_comp_atom.model_Cartn_x 
_chem_comp_atom.model_Cartn_y 
_chem_comp_atom.model_Cartn_z 
_chem_comp_atom.pdbx_model_Cartn_x_ideal 
_chem_comp_atom.pdbx_model_Cartn_y_ideal 
_chem_comp_atom.pdbx_model_Cartn_z_ideal 
_chem_comp_atom.pdbx_component_atom_id 
_chem_comp_atom.pdbx_component_comp_id 
_chem_comp_atom.pdbx_ordinal 
CYS N   N   N 0 1 N N N Y Y N 22.585 13.716 37.715 1.585  0.483  -0.081 N   CYS 1  
CYS CA  CA  C 0 1 N N R Y N N 22.372 13.468 39.168 0.141  0.450  0.186  CA  CYS 2  
CYS C   C   C 0 1 N N N Y N Y 21.806 14.686 39.893 -0.095 0.006  1.606  C   CYS 3  
CYS O   O   O 0 1 N N N Y N Y 22.614 15.553 40.277 0.685  -0.742 2.143  O   CYS 4  
CYS CB  CB  C 0 1 N N N N N N 23.683 13.019 39.828 -0.533 -0.530 -0.774 CB  CYS 5  
CYS SG  SG  S 0 1 N N N N N N 25.202 13.440 38.921 -0.247 0.004  -2.484 SG  CYS 6  
CYS OXT OXT O 0 1 N Y N Y N Y 20.565 14.747 40.076 -1.174 0.443  2.275  OXT CYS 7  
CYS H   H   H 0 1 N N N Y Y N 22.963 12.902 37.230 1.928  -0.454 0.063  H   CYS 8  
CYS H2  HN2 H 0 1 N Y N Y Y N 23.171 14.537 37.565 1.693  0.682  -1.065 H2  CYS 9  
CYS HA  HA  H 0 1 N N N Y N N 21.614 12.654 39.253 -0.277 1.446  0.042  HA  CYS 10 
CYS HB2 1HB H 0 1 N N N N N N 23.739 13.412 40.869 -0.114 -1.526 -0.630 HB2 CYS 11 
CYS HB3 2HB H 0 1 N N N N N N 23.651 11.923 40.031 -1.604 -0.554 -0.575 HB3 CYS 12 
CYS HG  HG  H 0 1 N N N N N N 26.013 13.162 39.329 -0.904 -0.965 -3.145 HG  CYS 13 
CYS HXT HXT H 0 1 N Y N Y N Y 20.212 15.505 40.527 -1.326 0.158  3.186  HXT CYS 14 
# 
loop_
_chem_comp_bond.comp_id 
_chem_comp_bond.atom_id_1 
_chem_comp_bond.atom_id_2 
_chem_comp_bond.value_order 
_chem_comp_bond.pdbx_aromatic_flag 
_chem_comp_bond.pdbx_stereo_config 
_chem_comp_bond.pdbx_ordinal 
CYS N   CA  SING N N 1  
CYS N   H   SING N N 2  
CYS N   H2  SING N N 3  
CYS CA  C   SING N N 4  
CYS CA  CB  SING N N 5  
CYS CA  HA  SING N N 6  
CYS C   O   DOUB N N 7  
CYS C   OXT SING N N 8  
CYS CB  SG  SING N N 9  
CYS CB  HB2 SING N N 10 
CYS CB  HB3 SING N N 11 
CYS SG  HG  SING N N 12 
CYS OXT HXT SING N N 13 
# 
loop_
_pdbx_chem_comp_descriptor.comp_id 
_pdbx_chem_comp_descriptor.type 
_pdbx_chem_comp_descriptor.program 
_pdbx_chem_comp_descriptor.program_version 
_pdbx_chem_comp_descriptor.descriptor 
CYS SMILES           ACDLabs              10.04 "O=C(O)C(N)CS"                                                   
CYS SMILES_CANONICAL CACTVS               3.341 "N[C@@H](CS)C(O)=O"                                              
CYS SMILES           CACTVS               3.341 "N[CH](CS)C(O)=O"                                                
CYS SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C([C@@H](C(=O)O)N)S"                                            
CYS SMILES           "OpenEye OEToolkits" 1.5.0 "C(C(C(=O)O)N)S"                                                 
CYS InChI            InChI                1.03  "InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1" 
CYS InChIKey         InChI                1.03  XUJNEKJLAYXESH-REOHCLBHSA-N                                      
# 
loop_
_pdbx_chem_comp_identifier.comp_id 
_pdbx_chem_comp_identifier.type 
_pdbx_chem_comp_identifier.program 
_pdbx_chem_comp_identifier.program_version 
_pdbx_chem_comp_identifier.identifier 
CYS "SYSTEMATIC NAME" ACDLabs              10.04 L-cysteine                               
CYS "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2R)-2-amino-3-sulfanyl-propanoic acid" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
CYS "Create component"  1999-07-08 RCSB 
CYS "Modify descriptor" 2011-06-04 RCSB 
CYS "Modify backbone"   2023-11-03 PDBE 
# 
